var student = {
  name: "tom",
  age: 12,
  address: "珠吉路58号"
};

var student2 = { ...student };

// 剩余参数/属性 写法跟展开运算符一模一样
// 但是实际作用刚好相反
const { name, ...shengyu } = student;

console.log(shengyu);
